1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* Copyright (c) 2016-2017 Hisilicon Limited. */ 3 4 #ifndef __HCLGE_MBX_H 5 #define __HCLGE_MBX_H 6 #include <linux/init.h> 7 #include <linux/mutex.h> 8 #include <linux/types.h> 9 10 enum HCLGE_MBX_OPCODE { 11 HCLGE_MBX_RESET = 0x01, /* (VF -> PF) assert reset */ 12 HCLGE_MBX_ASSERTING_RESET, /* (PF -> VF) PF is asserting reset */ 13 HCLGE_MBX_SET_UNICAST, /* (VF -> PF) set UC addr */ 14 HCLGE_MBX_SET_MULTICAST, /* (VF -> PF) set MC addr */ 15 HCLGE_MBX_SET_VLAN, /* (VF -> PF) set VLAN */ 16 HCLGE_MBX_MAP_RING_TO_VECTOR, /* (VF -> PF) map ring-to-vector */ 17 HCLGE_MBX_UNMAP_RING_TO_VECTOR, /* (VF -> PF) unamp ring-to-vector */ 18 HCLGE_MBX_SET_PROMISC_MODE, /* (VF -> PF) set promiscuous mode */ 19 HCLGE_MBX_SET_MACVLAN, /* (VF -> PF) set unicast filter */ 20 HCLGE_MBX_API_NEGOTIATE, /* (VF -> PF) negotiate API version */ 21 HCLGE_MBX_GET_QINFO, /* (VF -> PF) get queue config */ 22 HCLGE_MBX_GET_QDEPTH, /* (VF -> PF) get queue depth */ 23 HCLGE_MBX_GET_BASIC_INFO, /* (VF -> PF) get basic info */ 24 HCLGE_MBX_GET_RETA, /* (VF -> PF) get RETA */ 25 HCLGE_MBX_GET_RSS_KEY, /* (VF -> PF) get RSS key */ 26 HCLGE_MBX_GET_MAC_ADDR, /* (VF -> PF) get MAC addr */ 27 HCLGE_MBX_PF_VF_RESP, /* (PF -> VF) generate response to VF */ 28 HCLGE_MBX_GET_BDNUM, /* (VF -> PF) get BD num */ 29 HCLGE_MBX_GET_BUFSIZE, /* (VF -> PF) get buffer size */ 30 HCLGE_MBX_GET_STREAMID, /* (VF -> PF) get stream id */ 31 HCLGE_MBX_SET_AESTART, /* (VF -> PF) start ae */ 32 HCLGE_MBX_SET_TSOSTATS, /* (VF -> PF) get tso stats */ 33 HCLGE_MBX_LINK_STAT_CHANGE, /* (PF -> VF) link status has changed */ 34 HCLGE_MBX_GET_BASE_CONFIG, /* (VF -> PF) get config */ 35 HCLGE_MBX_BIND_FUNC_QUEUE, /* (VF -> PF) bind function and queue */ 36 HCLGE_MBX_GET_LINK_STATUS, /* (VF -> PF) get link status */ 37 HCLGE_MBX_QUEUE_RESET, /* (VF -> PF) reset queue */ 38 HCLGE_MBX_KEEP_ALIVE, /* (VF -> PF) send keep alive cmd */ 39 HCLGE_MBX_SET_ALIVE, /* (VF -> PF) set alive state */ 40 HCLGE_MBX_SET_MTU, /* (VF -> PF) set mtu */ 41 HCLGE_MBX_GET_QID_IN_PF, /* (VF -> PF) get queue id in pf */ 42 HCLGE_MBX_LINK_STAT_MODE, /* (PF -> VF) link mode has changed */ 43 HCLGE_MBX_GET_LINK_MODE, /* (VF -> PF) get the link mode of pf */ 44 HCLGE_MBX_PUSH_VLAN_INFO, /* (PF -> VF) push port base vlan */ 45 HCLGE_MBX_GET_MEDIA_TYPE, /* (VF -> PF) get media type */ 46 HCLGE_MBX_PUSH_PROMISC_INFO, /* (PF -> VF) push vf promisc info */ 47 HCLGE_MBX_VF_UNINIT, /* (VF -> PF) vf is unintializing */ 48 HCLGE_MBX_HANDLE_VF_TBL, /* (VF -> PF) store/clear hw table */ 49 50 HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf flr status */ 51 HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */ 52 HCLGE_MBX_NCSI_ERROR, /* (M7 -> PF) receive a NCSI error */ 53 }; 54 55 /* below are per-VF mac-vlan subcodes */ 56 enum hclge_mbx_mac_vlan_subcode { 57 HCLGE_MBX_MAC_VLAN_UC_MODIFY = 0, /* modify UC mac addr */ 58 HCLGE_MBX_MAC_VLAN_UC_ADD, /* add a new UC mac addr */ 59 HCLGE_MBX_MAC_VLAN_UC_REMOVE, /* remove a new UC mac addr */ 60 HCLGE_MBX_MAC_VLAN_MC_MODIFY, /* modify MC mac addr */ 61 HCLGE_MBX_MAC_VLAN_MC_ADD, /* add new MC mac addr */ 62 HCLGE_MBX_MAC_VLAN_MC_REMOVE, /* remove MC mac addr */ 63 }; 64 65 /* below are per-VF vlan cfg subcodes */ 66 enum hclge_mbx_vlan_cfg_subcode { 67 HCLGE_MBX_VLAN_FILTER = 0, /* set vlan filter */ 68 HCLGE_MBX_VLAN_TX_OFF_CFG, /* set tx side vlan offload */ 69 HCLGE_MBX_VLAN_RX_OFF_CFG, /* set rx side vlan offload */ 70 HCLGE_MBX_PORT_BASE_VLAN_CFG, /* set port based vlan configuration */ 71 HCLGE_MBX_GET_PORT_BASE_VLAN_STATE, /* get port based vlan state */ 72 HCLGE_MBX_ENABLE_VLAN_FILTER, 73 }; 74 75 enum hclge_mbx_tbl_cfg_subcode { 76 HCLGE_MBX_VPORT_LIST_CLEAR, 77 }; 78 79 #define HCLGE_MBX_MAX_MSG_SIZE 14 80 #define HCLGE_MBX_MAX_RESP_DATA_SIZE 8U 81 #define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM 4 82 83 struct hclge_ring_chain_param { 84 u8 ring_type; 85 u8 tqp_index; 86 u8 int_gl_index; 87 }; 88 89 struct hclge_basic_info { 90 u8 hw_tc_map; 91 u8 rsv; 92 u16 mbx_api_version; 93 u32 pf_caps; 94 }; 95 96 struct hclgevf_mbx_resp_status { 97 struct mutex mbx_mutex; /* protects against contending sync cmd resp */ 98 u32 origin_mbx_msg; 99 bool received_resp; 100 int resp_status; 101 u16 match_id; 102 u8 additional_info[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 103 }; 104 105 struct hclge_respond_to_vf_msg { 106 int status; 107 u8 data[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 108 u16 len; 109 }; 110 111 struct hclge_vf_to_pf_msg { 112 u8 code; 113 union { 114 struct { 115 u8 subcode; 116 u8 data[HCLGE_MBX_MAX_MSG_SIZE]; 117 }; 118 struct { 119 u8 en_bc; 120 u8 en_uc; 121 u8 en_mc; 122 u8 en_limit_promisc; 123 }; 124 struct { 125 u8 vector_id; 126 u8 ring_num; 127 struct hclge_ring_chain_param 128 param[HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM]; 129 }; 130 }; 131 }; 132 133 struct hclge_pf_to_vf_msg { 134 u16 code; 135 u16 vf_mbx_msg_code; 136 u16 vf_mbx_msg_subcode; 137 u16 resp_status; 138 u8 resp_data[HCLGE_MBX_MAX_RESP_DATA_SIZE]; 139 }; 140 141 struct hclge_mbx_vf_to_pf_cmd { 142 u8 rsv; 143 u8 mbx_src_vfid; /* Auto filled by IMP */ 144 u8 mbx_need_resp; 145 u8 rsv1[1]; 146 u8 msg_len; 147 u8 rsv2; 148 u16 match_id; 149 struct hclge_vf_to_pf_msg msg; 150 }; 151 152 #define HCLGE_MBX_NEED_RESP_B 0 153 154 struct hclge_mbx_pf_to_vf_cmd { 155 u8 dest_vfid; 156 u8 rsv[3]; 157 u8 msg_len; 158 u8 rsv1; 159 u16 match_id; 160 struct hclge_pf_to_vf_msg msg; 161 }; 162 163 struct hclge_vf_rst_cmd { 164 u8 dest_vfid; 165 u8 vf_rst; 166 u8 rsv[22]; 167 }; 168 169 /* used by VF to store the received Async responses from PF */ 170 struct hclgevf_mbx_arq_ring { 171 #define HCLGE_MBX_MAX_ARQ_MSG_SIZE 8 172 #define HCLGE_MBX_MAX_ARQ_MSG_NUM 1024 173 struct hclgevf_dev *hdev; 174 u32 head; 175 u32 tail; 176 atomic_t count; 177 u16 msg_q[HCLGE_MBX_MAX_ARQ_MSG_NUM][HCLGE_MBX_MAX_ARQ_MSG_SIZE]; 178 }; 179 180 #define hclge_mbx_ring_ptr_move_crq(crq) \ 181 (crq->next_to_use = (crq->next_to_use + 1) % crq->desc_num) 182 #define hclge_mbx_tail_ptr_move_arq(arq) \ 183 (arq.tail = (arq.tail + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM) 184 #define hclge_mbx_head_ptr_move_arq(arq) \ 185 (arq.head = (arq.head + 1) % HCLGE_MBX_MAX_ARQ_MSG_NUM) 186 187 /* PF immediately push link status to VFs when link status changed */ 188 #define HCLGE_MBX_PUSH_LINK_STATUS_EN BIT(0) 189 #endif 190